Searches for Scalar Top and Scalar Bottom Quarks at the Tevatron
| Author | : Shao-Hua Fu |
| Publisher | : |
| Total Pages | : 3 |
| Release | : 2006 |
| Genre | : |
| ISBN | : |
Download Searches for Scalar Top and Scalar Bottom Quarks at the Tevatron Book in PDF, Epub and Kindle
Searches For Scalar Top And Scalar Bottom Quarks At The Tevatron
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Search for Scalar Top and Bottom Quarks at the Tevatron
| Author | : |
| Publisher | : |
| Total Pages | : 3 |
| Release | : 2009 |
| Genre | : |
| ISBN | : |
Download Search for Scalar Top and Bottom Quarks at the Tevatron Book in PDF, Epub and Kindle
This document reviews recent results on the search for scalar top and scalar bottom quarks in p{bar p} collisions at (square root)s = 1.96 TeV. The analyses presented are based on data samples with integrated luminosities from 1.0 to 1.9 fb−1 recorded at the Tevatron with the D0 and CDF detectors.
Searches for Scalar Top and Bottom Quarks at the Tevatron
| Author | : Thomas Nunnemann |
| Publisher | : |
| Total Pages | : 4 |
| Release | : 2006 |
| Genre | : |
| ISBN | : |
Download Searches for Scalar Top and Bottom Quarks at the Tevatron Book in PDF, Epub and Kindle
Searches for the supersymmetric partners of top and bottom quarks using data up to 340 pb{sup -1} taken at the Tevatron p{bar p} collider are described. We report on searches for scalar top quarks {tilde t} in the decays {tilde t} {yields} c{tilde {chi}}{sub 1}{sup 0} and {tilde t} {yields} bl{tilde v} and for scalar bottom quarks in the decay {tilde b} {yields} b{tilde {chi}}{sub 1}{sup 0}. No evidence for a signal has been found, but improved exclusion regions have been derived in the framework of a generic minimal supersymmetric extension of the standard model.
A Search for Scalar Bottom Quarks from Gluino Decays in Anti-p P Collisions at S**ư
| Author | : |
| Publisher | : |
| Total Pages | : 7 |
| Release | : 2005 |
| Genre | : |
| ISBN | : |
Download A Search for Scalar Bottom Quarks from Gluino Decays in Anti-p P Collisions at S**ư Book in PDF, Epub and Kindle
We searched for scalar bottom quarks in 156 pb−1 of {bar p}p collisions at √s = 1.96 TeV recorded by the CDF II experiment at the Tevatron. Scalar bottom quarks can be produced from gluino decays in R-parity conserving models of supersymmetry when the mass of the gluino exceeds that of the scalar bottom quark. Then, a scalar bottom quark can decay into a bottom quark and a neutralino. To search for this scenario, we investigated events with large missing transverse energy and at least three jets, two or more of which were identified as containing a secondary vertex from the hadronization of b quarks. We found four candidate events, where 2.6 ± 0.7 are expected from standard model processes, and placed 95% confidence level lower limits on gluino and scalar bottom quark masses of up to 280 and 240 GeV/c2, respectively.
New Phenomena Searches at the Tevatron
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 1999 |
| Genre | : |
| ISBN | : |
Download New Phenomena Searches at the Tevatron Book in PDF, Epub and Kindle
We present here recent searches at the Tevatron for new phenomena. The superlight gravitino, scalar top and scalar bottom quarks searches are described in the framework of the supersymmetric models. We also discuss the new Tevatron limits on the second and third generations leptoquark masses.
A Search for Scalar Bottom Quarks from Gluino Decays in Anti-p P Collisions at S**1/2
| Author | : |
| Publisher | : |
| Total Pages | : 7 |
| Release | : 2005 |
| Genre | : |
| ISBN | : |
Download A Search for Scalar Bottom Quarks from Gluino Decays in Anti-p P Collisions at S**1/2 Book in PDF, Epub and Kindle
We searched for scalar bottom quarks in 156 pb−1 of {bar p}p collisions at √s = 1.96 TeV recorded by the CDF II experiment at the Tevatron. Scalar bottom quarks can be produced from gluino decays in R-parity conserving models of supersymmetry when the mass of the gluino exceeds that of the scalar bottom quark. Then, a scalar bottom quark can decay into a bottom quark and a neutralino. To search for this scenario, we investigated events with large missing transverse energy and at least three jets, two or more of which were identified as containing a secondary vertex from the hadronization of b quarks. We found four candidate events, where 2.6 ± 0.7 are expected from standard model processes, and placed 95% confidence level lower limits on gluino and scalar bottom quark masses of up to 280 and 240 GeV/c2 , respectively.
Search for Pair Production of Scalar Bottom Quarks in P Anti-p Collisions at S**ư
| Author | : |
| Publisher | : |
| Total Pages | : 7 |
| Release | : 2006 |
| Genre | : |
| ISBN | : |
Download Search for Pair Production of Scalar Bottom Quarks in P Anti-p Collisions at S**ư Book in PDF, Epub and Kindle
A search for direct production of scalar bottom quarks ({bar b}) is performed with 310 pb−1 of data collected by the D0 experiment in p{bar p} collisions at √s = 1.96 TeV at the Fermilab Tevatron Collider. The topology analyzed consists of two b jets and an imbalance in transverse momentum due to undetected neutralinos ({tilde {chi}}1°), with {tilde {chi}}1° assumed to be the lightest supersymmetric particle. They find the data consistent with standard model expectations, and set a 95% C.L. exclusion domain in the (m{sub {tilde b}}, m{sub {tilde {chi}}}) mass plane, improving significantly upon the results from Run I of the Tevatron.
Searches for New Phenomena at the Tevatron
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 1999 |
| Genre | : |
| ISBN | : |
Download Searches for New Phenomena at the Tevatron Book in PDF, Epub and Kindle
We present some of the latest updated results on searches for physics beyond the Standard Model at the Tevatron Collider using the full Run 1 data sample of p{anti p} collisions at √s = 1.8 TeV collected with the CDF and D0 detectors. Results are reported relative to searches for squarks and gluinos, scalar top and bottom quarks and superlight gravitino. 95% CL exclusion limits are presented for degenerate states of Technicolor particles [rho]T and [omega]T.
Search for Scalar Bottom Quarks and Third-generation Leptoquarks in P P-bar Collisions at Sqrt(s)
| Author | : |
| Publisher | : |
| Total Pages | : 8 |
| Release | : 2010 |
| Genre | : |
| ISBN | : |
Download Search for Scalar Bottom Quarks and Third-generation Leptoquarks in P P-bar Collisions at Sqrt(s) Book in PDF, Epub and Kindle
We report the results of a search for pair production of scalar bottom quarks ({tilde b}1) and scalar third-generation leptoquarks (LQ3) in 5.2 fb−1 of p{bar p} collisions at the D0 experiment of the Fermilab Tevatron Collider. Scalar bottom quarks are assumed to decay to a neutralino ({tilde {chi}}1°) and a b quark, and we set 95% C.L. lower limits on their production in the (m{sub {tilde b}1}, m{sub {tilde {chi}}1°}) mass plane such as m{sub {tilde b}1}> 247 GeV for m{sub {tilde {chi}}1°} = 0 and m{sub {tilde {chi}}1°}> 110 GeV for 160
Search for Scalar Bottom Quarks and Third-generation Leptoquarks in $p\overline{p}$ Collisions at $\sqrt{s}$
| Author | : |
| Publisher | : |
| Total Pages | : 3 |
| Release | : 2010 |
| Genre | : |
| ISBN | : |
Download Search for Scalar Bottom Quarks and Third-generation Leptoquarks in $p\overline{p}$ Collisions at $\sqrt{s}$ Book in PDF, Epub and Kindle
We present the results of a search for pair production of scalar bottom quarks ({bar b}1) and scalar third-generation leptoquarks (LQ3) in a data sample of 5.2 f b−1 collected by the D0 experiment at the Tevatron, the p{bar p} collider at Fermilab. We assume that sbottoms decay to a neutralino ({bar {chi}}1°) and a b quark, and we set 95% C.L. lower limits on their production in the (m{sub {bar b}1}, m{sub {bar {chi}}1°}) mass plane such that m{sub {bar b}1}> 247 GeV for m{sub {bar {chi}}1°} = 0 and m{sub {bar {chi}}1°}> 110 GeV for 160
